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            <h1>ජීපීටී-නියෝක්ස්සඳහා පෙළ දත්ත කට්ටලය</h1>

        </div>
        <div class='code'>
            <div class="highlight"><pre><span class="lineno">10</span><span></span><span class="kn">from</span> <span class="nn">pathlib</span> <span class="kn">import</span> <span class="n">PurePath</span><span class="p">,</span> <span class="n">Path</span>
<span class="lineno">11</span><span class="kn">from</span> <span class="nn">typing</span> <span class="kn">import</span> <span class="n">Optional</span><span class="p">,</span> <span class="n">List</span>
<span class="lineno">12</span>
<span class="lineno">13</span><span class="kn">import</span> <span class="nn">torch</span>
<span class="lineno">14</span><span class="kn">import</span> <span class="nn">torch.utils.data</span>
<span class="lineno">15</span><span class="kn">from</span> <span class="nn">labml</span> <span class="kn">import</span> <span class="n">lab</span>
<span class="lineno">16</span><span class="kn">from</span> <span class="nn">labml</span> <span class="kn">import</span> <span class="n">monit</span>
<span class="lineno">17</span><span class="kn">from</span> <span class="nn">labml.logger</span> <span class="kn">import</span> <span class="n">inspect</span>
<span class="lineno">18</span><span class="kn">from</span> <span class="nn">labml.utils.download</span> <span class="kn">import</span> <span class="n">download_file</span>
<span class="lineno">19</span>
<span class="lineno">20</span><span class="kn">from</span> <span class="nn">labml_nn.neox.tokenizer</span> <span class="kn">import</span> <span class="n">get_tokenizer</span></pre></div>
        </div>
    </div>
    <div class='section' id='section-1'>
        <div class='docs doc-strings'>
            <div class='section-link'>
                <a href='#section-1'>#</a>
            </div>
            <h3>පෙළගොනුව පූරණය කරන්න</h3>
<ul><li><code  class="highlight"><span></span><span class="n">path</span></code>
 පෙළ ගොනුවේ පිහිටීම </li>
<li><code  class="highlight"><span></span><span class="n">url</span></code>
 ගොනුව බාගත කිරීම සඳහා URL එක </li>
<li><code  class="highlight"><span></span><span class="n">filter_subset</span></code>
 යනු පෙරීමට අක්ෂර ගණනයයි. විශාල දත්ත කට්ටල උත්සාහ කිරීමේදී පරීක්ෂා කිරීමේදී මෙය භාවිතා කරන්න </li>
<p>පෙළඅන්තර්ගතය<em>නැවත ලබා දෙයි</em> </p></ul>

        </div>
        <div class='code'>
            <div class="highlight"><pre><span class="lineno">23</span><span class="k">def</span> <span class="nf">load_text</span><span class="p">(</span><span class="n">path</span><span class="p">:</span> <span class="n">PurePath</span><span class="p">,</span> <span class="n">url</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> <span class="o">*</span><span class="p">,</span> <span class="n">filter_subset</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="nb">int</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">):</span></pre></div>
        </div>
    </div>
    <div class='section' id='section-2'>
        <div class='docs'>
            <div class='section-link'>
                <a href='#section-2'>#</a>
            </div>
            
        </div>
        <div class='code'>
            <div class="highlight"><pre><span class="lineno">34</span>    <span class="n">path</span> <span class="o">=</span> <span class="n">Path</span><span class="p">(</span><span class="n">path</span><span class="p">)</span></pre></div>
        </div>
    </div>
    <div class='section' id='section-3'>
        <div class='docs'>
            <div class='section-link'>
                <a href='#section-3'>#</a>
            </div>
            <p>එයනොමැති නම් බාගන්න </p>

        </div>
        <div class='code'>
            <div class="highlight"><pre><span class="lineno">37</span>    <span class="k">if</span> <span class="ow">not</span> <span class="n">path</span><span class="o">.</span><span class="n">exists</span><span class="p">():</span>
<span class="lineno">38</span>        <span class="k">if</span> <span class="ow">not</span> <span class="n">url</span><span class="p">:</span>
<span class="lineno">39</span>            <span class="k">raise</span> <span class="ne">FileNotFoundError</span><span class="p">(</span><span class="nb">str</span><span class="p">(</span><span class="n">path</span><span class="p">))</span>
<span class="lineno">40</span>        <span class="k">else</span><span class="p">:</span>
<span class="lineno">41</span>            <span class="n">download_file</span><span class="p">(</span><span class="n">url</span><span class="p">,</span> <span class="n">path</span><span class="p">)</span>
<span class="lineno">42</span>
<span class="lineno">43</span>    <span class="k">with</span> <span class="n">monit</span><span class="o">.</span><span class="n">section</span><span class="p">(</span><span class="s2">&quot;Load data&quot;</span><span class="p">):</span></pre></div>
        </div>
    </div>
    <div class='section' id='section-4'>
        <div class='docs'>
            <div class='section-link'>
                <a href='#section-4'>#</a>
            </div>
            <p>දත්තපූරණය කරන්න </p>

        </div>
        <div class='code'>
            <div class="highlight"><pre><span class="lineno">45</span>        <span class="k">with</span> <span class="nb">open</span><span class="p">(</span><span class="nb">str</span><span class="p">(</span><span class="n">path</span><span class="p">),</span> <span class="s1">&#39;r&#39;</span><span class="p">)</span> <span class="k">as</span> <span class="n">f</span><span class="p">:</span>
<span class="lineno">46</span>            <span class="n">text</span> <span class="o">=</span> <span class="n">f</span><span class="o">.</span><span class="n">read</span><span class="p">()</span></pre></div>
        </div>
    </div>
    <div class='section' id='section-5'>
        <div class='docs'>
            <div class='section-link'>
                <a href='#section-5'>#</a>
            </div>
            <p>පෙරහන් </p>

        </div>
        <div class='code'>
            <div class="highlight"><pre><span class="lineno">48</span>        <span class="k">if</span> <span class="n">filter_subset</span><span class="p">:</span>
<span class="lineno">49</span>            <span class="n">text</span> <span class="o">=</span> <span class="n">text</span><span class="p">[:</span><span class="n">filter_subset</span><span class="p">]</span></pre></div>
        </div>
    </div>
    <div class='section' id='section-6'>
        <div class='docs'>
            <div class='section-link'>
                <a href='#section-6'>#</a>
            </div>
            <p> </p>

        </div>
        <div class='code'>
            <div class="highlight"><pre><span class="lineno">52</span>    <span class="k">return</span> <span class="n">text</span></pre></div>
        </div>
    </div>
    <div class='section' id='section-7'>
        <div class='docs doc-strings'>
            <div class='section-link'>
                <a href='#section-7'>#</a>
            </div>
            <h2>හොඳින්සුසර කිරීම සඳහා දත්ත කට්ටලය GPT-නියෝක්ස්</h2>
<p>මෙයඉතා විශාල දත්ත කාණ්ඩ වලට ප්රශස්තිකරණය කර නොමැත. </p>

        </div>
        <div class='code'>
            <div class="highlight"><pre><span class="lineno">55</span><span class="k">class</span> <span class="nc">NeoXDataset</span><span class="p">(</span><span class="n">torch</span><span class="o">.</span><span class="n">utils</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">Dataset</span><span class="p">):</span></pre></div>
        </div>
    </div>
    <div class='section' id='section-8'>
        <div class='docs doc-strings'>
            <div class='section-link'>
                <a href='#section-8'>#</a>
            </div>
            <ul><li><code  class="highlight"><span></span><span class="n">tokens</span></code>
 ටෝකන් හැඳුනුම්පත් ලැයිස්තුවයි </li>
<li><code  class="highlight"><span></span><span class="n">seq_len</span></code>
 තනි පුහුණු නියැදියක අනුක්රමය දිග වේ</li></ul>

        </div>
        <div class='code'>
            <div class="highlight"><pre><span class="lineno">62</span>    <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">tokens</span><span class="p">:</span> <span class="n">List</span><span class="p">[</span><span class="nb">int</span><span class="p">],</span> <span class="n">seq_len</span><span class="p">:</span> <span class="nb">int</span><span class="p">):</span></pre></div>
        </div>
    </div>
    <div class='section' id='section-9'>
        <div class='docs'>
            <div class='section-link'>
                <a href='#section-9'>#</a>
            </div>
            
        </div>
        <div class='code'>
            <div class="highlight"><pre><span class="lineno">68</span>        <span class="bp">self</span><span class="o">.</span><span class="n">seq_len</span> <span class="o">=</span> <span class="n">seq_len</span></pre></div>
        </div>
    </div>
    <div class='section' id='section-10'>
        <div class='docs'>
            <div class='section-link'>
                <a href='#section-10'>#</a>
            </div>
            <p>සාම්පලගණන </p>

        </div>
        <div class='code'>
            <div class="highlight"><pre><span class="lineno">70</span>        <span class="n">n_samples</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">tokens</span><span class="p">)</span> <span class="o">//</span> <span class="n">seq_len</span>
<span class="lineno">71</span>        <span class="bp">self</span><span class="o">.</span><span class="n">n_samples</span> <span class="o">=</span> <span class="n">n_samples</span></pre></div>
        </div>
    </div>
    <div class='section' id='section-11'>
        <div class='docs'>
            <div class='section-link'>
                <a href='#section-11'>#</a>
            </div>
            <p>ට්රන්කේට්කරන්න </p>

        </div>
        <div class='code'>
            <div class="highlight"><pre><span class="lineno">73</span>        <span class="n">tokens</span> <span class="o">=</span> <span class="n">tokens</span><span class="p">[:</span><span class="n">n_samples</span> <span class="o">*</span> <span class="n">seq_len</span> <span class="o">+</span> <span class="mi">1</span><span class="p">]</span></pre></div>
        </div>
    </div>
    <div class='section' id='section-12'>
        <div class='docs'>
            <div class='section-link'>
                <a href='#section-12'>#</a>
            </div>
            <p>පයිටෝච්ටෙන්සරයක් සාදන්න </p>

        </div>
        <div class='code'>
            <div class="highlight"><pre><span class="lineno">75</span>        <span class="bp">self</span><span class="o">.</span><span class="n">tokens</span> <span class="o">=</span> <span class="n">torch</span><span class="o">.</span><span class="n">tensor</span><span class="p">(</span><span class="n">tokens</span><span class="p">)</span></pre></div>
        </div>
    </div>
    <div class='section' id='section-13'>
        <div class='docs'>
            <div class='section-link'>
                <a href='#section-13'>#</a>
            </div>
            
        </div>
        <div class='code'>
            <div class="highlight"><pre><span class="lineno">77</span>    <span class="k">def</span> <span class="fm">__len__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="lineno">78</span>        <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">n_samples</span></pre></div>
        </div>
    </div>
    <div class='section' id='section-14'>
        <div class='docs doc-strings'>
            <div class='section-link'>
                <a href='#section-14'>#</a>
            </div>
            <h3>නියැදියක්ලබා ගන්න</h3>
<ul><li><code  class="highlight"><span></span><span class="n">idx</span></code>
 නියැදියේ දර්ශකය වේ </li>
<p>ආදානයසහ ඉලක්කය<em>ආපසු ලබා දෙයි</em> </p></ul>

        </div>
        <div class='code'>
            <div class="highlight"><pre><span class="lineno">80</span>    <span class="k">def</span> <span class="fm">__getitem__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">idx</span><span class="p">:</span> <span class="nb">int</span><span class="p">):</span></pre></div>
        </div>
    </div>
    <div class='section' id='section-15'>
        <div class='docs'>
            <div class='section-link'>
                <a href='#section-15'>#</a>
            </div>
            
        </div>
        <div class='code'>
            <div class="highlight"><pre><span class="lineno">87</span>        <span class="n">offset</span> <span class="o">=</span> <span class="n">idx</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">seq_len</span>
<span class="lineno">88</span>        <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">tokens</span><span class="p">[</span><span class="n">offset</span><span class="p">:</span><span class="n">offset</span> <span class="o">+</span> <span class="bp">self</span><span class="o">.</span><span class="n">seq_len</span><span class="p">],</span> <span class="bp">self</span><span class="o">.</span><span class="n">tokens</span><span class="p">[</span><span class="n">offset</span> <span class="o">+</span> <span class="mi">1</span><span class="p">:</span><span class="n">offset</span> <span class="o">+</span> <span class="mi">1</span> <span class="o">+</span> <span class="bp">self</span><span class="o">.</span><span class="n">seq_len</span><span class="p">]</span>
<span class="lineno">89</span>
<span class="lineno">90</span>
<span class="lineno">91</span><span class="n">DATASETS</span> <span class="o">=</span> <span class="p">{</span>
<span class="lineno">92</span>    <span class="s1">&#39;tiny_shakespeare&#39;</span><span class="p">:</span> <span class="p">{</span>
<span class="lineno">93</span>        <span class="s1">&#39;file&#39;</span><span class="p">:</span> <span class="s1">&#39;tiny_shakespeare.txt&#39;</span><span class="p">,</span>
<span class="lineno">94</span>        <span class="s1">&#39;url&#39;</span><span class="p">:</span> <span class="s1">&#39;https://raw.githubusercontent.com/karpathy/char-rnn/master/data/tinyshakespeare/input.txt&#39;</span>
<span class="lineno">95</span>    <span class="p">}</span>
<span class="lineno">96</span><span class="p">}</span></pre></div>
        </div>
    </div>
    <div class='section' id='section-16'>
        <div class='docs doc-strings'>
            <div class='section-link'>
                <a href='#section-16'>#</a>
            </div>
            <h3>දත්තකට්ටලය පූරණය කරන්න</h3>
<ul><li><code  class="highlight"><span></span><span class="n">seq_len</span></code>
 තනි පුහුණු නියැදියක අනුක්රමය දිග වේ </li>
<li><code  class="highlight"><span></span><span class="n">dataset_name</span></code>
 දත්ත සමුදාය නම </li>
<p>දත්තසමුදාය<em>ආපසු ලබා දෙයි</em> </p></ul>

        </div>
        <div class='code'>
            <div class="highlight"><pre><span class="lineno">99</span><span class="k">def</span> <span class="nf">get_training_data</span><span class="p">(</span><span class="n">seq_len</span><span class="p">:</span> <span class="nb">int</span> <span class="o">=</span> <span class="mi">32</span><span class="p">,</span> <span class="n">dataset_name</span><span class="p">:</span> <span class="nb">str</span> <span class="o">=</span> <span class="s1">&#39;tiny_shakespeare&#39;</span><span class="p">,</span> <span class="n">truncate</span><span class="p">:</span> <span class="nb">int</span> <span class="o">=</span> <span class="o">-</span><span class="mi">1</span><span class="p">):</span></pre></div>
        </div>
    </div>
    <div class='section' id='section-17'>
        <div class='docs'>
            <div class='section-link'>
                <a href='#section-17'>#</a>
            </div>
            
        </div>
        <div class='code'>
            <div class="highlight"><pre><span class="lineno">108</span>    <span class="n">ds</span> <span class="o">=</span> <span class="n">DATASETS</span><span class="p">[</span><span class="n">dataset_name</span><span class="p">]</span></pre></div>
        </div>
    </div>
    <div class='section' id='section-18'>
        <div class='docs'>
            <div class='section-link'>
                <a href='#section-18'>#</a>
            </div>
            <p>අන්තර්ගතයපූරණය කරන්න </p>

        </div>
        <div class='code'>
            <div class="highlight"><pre><span class="lineno">110</span>    <span class="n">text</span> <span class="o">=</span> <span class="n">load_text</span><span class="p">(</span><span class="n">lab</span><span class="o">.</span><span class="n">get_data_path</span><span class="p">()</span> <span class="o">/</span> <span class="n">ds</span><span class="p">[</span><span class="s1">&#39;file&#39;</span><span class="p">],</span> <span class="n">ds</span><span class="p">[</span><span class="s1">&#39;url&#39;</span><span class="p">])</span></pre></div>
        </div>
    </div>
    <div class='section' id='section-19'>
        <div class='docs'>
            <div class='section-link'>
                <a href='#section-19'>#</a>
            </div>
            <p>ටෝකනයිස්කරන්න </p>

        </div>
        <div class='code'>
            <div class="highlight"><pre><span class="lineno">112</span>    <span class="n">tokenizer</span> <span class="o">=</span> <span class="n">get_tokenizer</span><span class="p">()</span>
<span class="lineno">113</span>    <span class="n">tokens</span> <span class="o">=</span> <span class="n">tokenizer</span><span class="o">.</span><span class="n">encode_batch</span><span class="p">([</span><span class="n">text</span><span class="p">])[</span><span class="mi">0</span><span class="p">]</span>
<span class="lineno">114</span>
<span class="lineno">115</span>    <span class="k">if</span> <span class="n">truncate</span> <span class="o">&gt;</span> <span class="mi">0</span><span class="p">:</span>
<span class="lineno">116</span>        <span class="n">token_ids</span> <span class="o">=</span> <span class="n">tokens</span><span class="o">.</span><span class="n">ids</span><span class="p">[:</span><span class="n">truncate</span> <span class="o">*</span> <span class="n">seq_len</span><span class="p">]</span>
<span class="lineno">117</span>    <span class="k">else</span><span class="p">:</span>
<span class="lineno">118</span>        <span class="n">token_ids</span> <span class="o">=</span> <span class="n">tokens</span><span class="o">.</span><span class="n">ids</span></pre></div>
        </div>
    </div>
    <div class='section' id='section-20'>
        <div class='docs'>
            <div class='section-link'>
                <a href='#section-20'>#</a>
            </div>
            <p> </p>

        </div>
        <div class='code'>
            <div class="highlight"><pre><span class="lineno">121</span>    <span class="k">return</span> <span class="n">NeoXDataset</span><span class="p">(</span><span class="n">token_ids</span><span class="p">,</span> <span class="n">seq_len</span><span class="p">)</span></pre></div>
        </div>
    </div>
    <div class='section' id='section-21'>
        <div class='docs'>
            <div class='section-link'>
                <a href='#section-21'>#</a>
            </div>
            
        </div>
        <div class='code'>
            <div class="highlight"><pre><span class="lineno">124</span><span class="k">def</span> <span class="nf">_test</span><span class="p">():</span>
<span class="lineno">125</span>    <span class="n">dataset</span> <span class="o">=</span> <span class="n">get_training_data</span><span class="p">()</span>
<span class="lineno">126</span>
<span class="lineno">127</span>    <span class="n">inspect</span><span class="p">(</span><span class="n">tokens</span><span class="o">=</span><span class="nb">len</span><span class="p">(</span><span class="n">dataset</span><span class="o">.</span><span class="n">tokens</span><span class="p">))</span></pre></div>
        </div>
    </div>
    <div class='section' id='section-22'>
        <div class='docs'>
            <div class='section-link'>
                <a href='#section-22'>#</a>
            </div>
            <p> </p>

        </div>
        <div class='code'>
            <div class="highlight"><pre><span class="lineno">131</span><span class="k">if</span> <span class="vm">__name__</span> <span class="o">==</span> <span class="s1">&#39;__main__&#39;</span><span class="p">:</span>
<span class="lineno">132</span>    <span class="n">_test</span><span class="p">()</span></pre></div>
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